text: Maezawa, 45, who became a billionaire from the online retail sector, also plans to participate in a lunar circumnavigation on SpaceX's Starship spacecraft, rival to Roscosmos and owned by US billionaire Elon Musk, in 2023?
classes:  No, maezawa was intended to participate in Roscosmos' round - the - sun flight, a rival to SpaceX.  Also, maezawa was intended to participate in Roscosmos' round - the - sun flight, a rival to SpaceX.  Yes, maezawa was intended to participate in Roscosmos' round - the - sun flight, a rival to SpaceX.